尸体是一名40岁上下的白人男子。

The body is that of a white male aged about 40.

《牛津词典》

他们必须从两个不相上下的候选人中选出州长。

They must choose between two evenly matched candidates for governor.

《柯林斯英汉双解大词典》

“在空间站没有上下的感觉，”他回忆说。

“In the space station there was no sensation of up or down,” he recalls.

youdao

The cookies were going back and forth and back and forth and the hearts up and down, well, this thing that we had that called a loop last week with a forever block with a statement inside of it is simply gonna look a little something like this.

这些饼干人来来回回的移动,还有这些爱心们上上下下地漂浮,都用到我们上周提到过的循环结构,当然还有个声明在里面，就有点像屏幕上,显示的这样。

哈佛公开课 - 计算机科学课程节选

It vaults that discussion into a much larger, metaphysical, transcendent context, the whole order of the universe.

也将这个讨论深入到了一个,更加广大，形而上的，超越上下文的全宇宙秩序的范畴。

耶鲁公开课 - 1945年后的美国小说课程节选

Earnings" is kind of a theoretical concept that accountants work on and it can go up and down depending on adjustments they make.

收益则是一种由会计得出的理论概念,会因不同的调整而上下波动

耶鲁公开课 - 金融市场课程节选